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Date:      Sat, 08 Oct 2016 00:39:33 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-ports-bugs@FreeBSD.org
Subject:   [Bug 213300] x11-servers/xorg-vfbserver: Xvfb is missing GLX extension
Message-ID:  <bug-213300-13@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D213300

            Bug ID: 213300
           Summary: x11-servers/xorg-vfbserver: Xvfb is missing GLX
                    extension
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: Individual Port(s)
          Assignee: x11@FreeBSD.org
          Reporter: hmbright@fastmail.com
          Assignee: x11@FreeBSD.org
             Flags: maintainer-feedback?(x11@FreeBSD.org)

Xvfb no longer has the GLX extension on FreeBSD 11.0. Trying to run GLX
programs on a headless machine fails. This makes the OpenSCAD test suite fa=
il
and many "headless OpenGL tutorials" on the web also fail.=20

This used to work in older versions of FreeBSD.=20

To reproduce:

$ Xvfb :123 -screen 0 800x600x24 &
$ DISPLAY=3D:123 glxgears
Error: couldn't get an RGB, Double-buffered visual
$ DISPLAY=3D:123 glxinfo=20
name of display: :123
Error: couldn't find RGB GLX visual or fbconfig



[don@noether ~/openscad/tests/bin]$ Xvfb +extension GLX
[mi] Extension "GLX" is not recognized
[mi] Only the following extensions can be run-time enabled:
[mi]    Generic Events
[mi]    Composite
[mi]    DAMAGE
[mi]    DOUBLE-BUFFER
[mi]    DPMS
[mi]    MIT-SHM
[mi]    RANDR
[mi]    RENDER
[mi]    X-Resource
[mi]    XFIXES
[mi]    XINERAMA
[mi]    XTEST
[mi]    XVideo

Thanks for reading.

--=20
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